{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["road", "exact location", "river", "area"], "input": "-DOCSTART- RT @HoustonOEM : .@SylvesterTurner : Please go to https://t.co/9sklfqEQ1S to register as a volunteer if you want to help . # houstonflood ."}
{"road": [], "exact location": [], "river": [], "area": []}